HOLIDAY DEALS 10% Off Midwest Grow Kits

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Refill kit with multiple clear bags of dark, granular mushroom substrate. Labels show horses and 'Premium Grains'.
Extra 10% Off

Midwest Grow Kits Refill Kit for Complete XL Specialty Grass Lover's Kit

Price:
$59.99 USD
Or
Pay as little as
$5999/mo
for a term that suits you, up to 36 months. Learn More
⚡ HOLIDAY OFFER! 10% off this item Ends: January 5th
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MODEL: GDRF1
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Midwest Grow Kits Refill Kit for Complete XL Specialty Grass Lover's Kit

Keep your successful mushroom cultivation going without interruption. The Midwest Grow Kits Refill Kit is designed to perfectly replenish your Complete XL Specialty Grass Lover's Kit, providing the essential, pre-sterilized materials you need for your next harvest.

This comprehensive refill includes 9 pounds of premium grass lover's horse manure-based bulk substrate, expertly formulated for mushroom varieties that thrive in high fresh-air and warm conditions. The substrate is conveniently packaged in three sterilized 3-pound bags, ready for immediate use. It also features 5 pounds of a specialty sphagnum peat moss and vermiculite blend, which has been professionally pH-adjusted and sterilized to maintain perfect moisture levels for your grow.

All components from Midwest Grow Kits are pressure-sterilized to eliminate contaminants, allowing you to refresh your monotub with confidence. Simply mix, layer, and continue your growing cycle with these high-quality mushroom growing supplies.

What's Included

  • Complete Set: Includes both the 9lbs Premium Grass Lover's Substrate and the 5lbs Peat Moss Casing Mix.
  • Substrate Only: Contains three 3lb bags of Premium Grass Lover's Horse Manure-Based Bulk Substrate (9lbs total).
  • Casing Only: Contains one 5lb bag of the Specialty Sphagnum Peat Moss and Vermiculite blend.

Features

🐴
Premium Manure Substrate

Includes 9 lbs of high-nutrient, horse manure-based substrate ideal for grassland mushroom varieties.

💧
Specialty Casing Mix

5 lbs of pH-adjusted peat moss and vermiculite blend to maintain optimal surface moisture.

🛡️
Fully Sterilized & Ready

All components are pressure-sterilized, eliminating contamination risk and saving you preparation time.

🛒
Flexible Options

Order the complete set, or purchase just the substrate or casing mix based on your needs.

Specifications

Specification Value
Substrate Amount 9 pounds total
Substrate Packaging 3 bags x 3 pounds each
Substrate Type Premium Grass Lover's Horse Manure-Based
Casing Mix Amount 5 pounds
Casing Mix Type Sphagnum Peat Moss and Vermiculite blend
Sterilization Method Pressure sterilized
pH Adjustment Pre-adjusted
Moisture Level Pre-optimized
Growing Method Gordo Tek
Target Species Warm grassland mushroom varieties

Warranty

Midwest Grow Kits stands behind the quality of their products. For details on warranty coverage and claims, please refer to the manufacturer's official warranty policy.

FAQs

Is this a complete grow kit?+

No, this is a refill kit specifically for the Midwest Grow Kits Complete XL Specialty Grass Lover's Kit. It contains substrate and casing but does not include the growing chamber or other hardware.

What type of mushrooms is this substrate for?+

This premium horse manure-based substrate is formulated for warm grassland mushroom varieties that thrive with high fresh air exchange, following the Gordo Tek method.

Do I need to sterilize the substrate or casing mix?+

No, all components arrive pressure-sterilized and ready for immediate use, saving you time and eliminating the risk of contamination.

Can I buy just the substrate or just the casing?+

Yes, you can purchase the complete refill set, just the 9 lbs of substrate, or just the 5 lbs of casing mix to suit your specific needs.

Where can I find other Midwest Grow Kits products?+

We carry a wide range of mushroom grow kits from Midwest Grow Kits and other essential growing supplies to support every stage of your cultivation journey.

Shipping & Returns

Order Processing & Shipping

We currently ship within the United States only. No international shipping is available at this time.

Order Processing:

  • Most orders are processed within 24-48 hours after being placed.
  • Some products may have extended processing times of 7-14 business days or more, which will be clearly indicated on the product page. If your order includes such items, you will receive an email from our team or be contacted directly to confirm the estimated shipping timeframe.

Shipping Times:

We partner with reliable national carriers to deliver your orders. While specific delivery times can vary, here's a general timeframe for each carrier:

  • USPS: Typically delivers between 9:00 AM and 5:00 PM, Monday through Saturday.
  • FedEx: Typically delivers between 8:00 AM and 8:00 PM, Monday through Friday, with some Saturday deliveries.
  • UPS: Typically delivers between 9:00 AM and 7:00 PM, Monday through Friday, with some Saturday deliveries.

Note:

  • These are estimated delivery hours and may vary depending on your location and specific delivery circumstances.
  • For the most accurate delivery information, please refer to the tracking details provided once your order has shipped.

Free Shipping

Free shipping on qualified items to the lower 48 states. Some that are not eligible are stated on their respective product information page. Learn more

Refunds & Returns

Cancellations are accepted within 24 hours of placing an order.
Returns are subject to each manufacturer's return policy. Please look into the return policy of the brand prior to ordering. Learn more

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